Smithfield Street Bridge (Monongahela River)
E1303795
UNEXPLORED
Smithfield Street Bridge (Monongahela River) is a historic lenticular truss bridge in Pittsburgh, Pennsylvania, known as one of the oldest steel bridges in the United States and a National Historic Landmark.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Smithfield Street Bridge (Monongahela River) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18068369 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Smithfield Street Bridge (Monongahela River) Context triple: [Smithfield Street Bridge, alsoKnownAs, Smithfield Street Bridge (Monongahela River)]
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A.
Girard Avenue Bridge over the Schuylkill River
The Girard Avenue Bridge over the Schuylkill River is a historic multi-span bridge in Philadelphia that carries Girard Avenue across the Schuylkill River, connecting the city’s Fairmount and West Philadelphia areas.
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B.
Panhandle Bridge at Pittsburgh
The Panhandle Bridge at Pittsburgh is a historic railroad bridge over the Monongahela River that once carried major Pennsylvania Railroad and successor passenger trains into downtown Pittsburgh.
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C.
Sewickley Bridge
Sewickley Bridge is a major steel truss bridge spanning the Ohio River in Pennsylvania, connecting the borough of Sewickley to communities on the opposite shore.
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D.
Ambridge–Aliquippa Bridge
The Ambridge–Aliquippa Bridge is a historic steel truss bridge spanning the Ohio River in western Pennsylvania, connecting the communities of Ambridge and Aliquippa.
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E.
Market Street Bridge (Harrisburg)
The Market Street Bridge in Harrisburg is a historic multi-span bridge that carries Market Street across the Susquehanna River, linking downtown Harrisburg with the West Shore communities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Smithfield Street Bridge (Monongahela River) Target entity description: Smithfield Street Bridge (Monongahela River) is a historic lenticular truss bridge in Pittsburgh, Pennsylvania, known as one of the oldest steel bridges in the United States and a National Historic Landmark.
-
A.
Girard Avenue Bridge over the Schuylkill River
The Girard Avenue Bridge over the Schuylkill River is a historic multi-span bridge in Philadelphia that carries Girard Avenue across the Schuylkill River, connecting the city’s Fairmount and West Philadelphia areas.
-
B.
Panhandle Bridge at Pittsburgh
The Panhandle Bridge at Pittsburgh is a historic railroad bridge over the Monongahela River that once carried major Pennsylvania Railroad and successor passenger trains into downtown Pittsburgh.
-
C.
Sewickley Bridge
Sewickley Bridge is a major steel truss bridge spanning the Ohio River in Pennsylvania, connecting the borough of Sewickley to communities on the opposite shore.
-
D.
Ambridge–Aliquippa Bridge
The Ambridge–Aliquippa Bridge is a historic steel truss bridge spanning the Ohio River in western Pennsylvania, connecting the communities of Ambridge and Aliquippa.
-
E.
Market Street Bridge (Harrisburg)
The Market Street Bridge in Harrisburg is a historic multi-span bridge that carries Market Street across the Susquehanna River, linking downtown Harrisburg with the West Shore communities.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.